Replaceable tong die inserts for pipe tongs
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Aug 15, 2002
app pub date -
Apr 11, 2001
filing date -
Apr 12, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A gripping assembly for pipe tongs is provided to grip and rotate a pipe. The gripping assembly includes a pair of jaw assemblies that exert counteracting forces on the pipe. Each jaw assembly has a body with a cylindrical hollow defined in the body and having longitudinal slots formed in the body. The slots are separated from one another by longitudinal struts. In a cross section perpendicular to the longitudinal direction of the cylindrical hollow, flat faces of the slots form portions of a regular polygon. Each jaw assembly also has toothed tong die inserts that fit into the slots and provide for frictional engagement of the jaw assembly with the pipe. Each jaw assembly also has a first and a second end plate for retaining the tong dies in the slots with at least one of the end plates being removably attached to the body.
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Family
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Cited Art Landscape
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